JP2000037110A - Well-drained paddy field nonplowing direct seeder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the subject direct seeder capable of easily making drainage ditches corresponding to the hardness of the nonplowed field using ditch-forming wheels of simple structure by making use of a limited space around the machine body mounted with rotary devices and a seeding device. SOLUTION: This direct seeder has such a scheme that a plurality of rotary devices 3 for making narrow plowing ditches 9 with rotating tilling tines 8 are set up at specified intervals in the lateral cross direction of machine body advance, a seeding device 5 for sowing seeds while making seeding furrows 9a within the width of each of the plowing ditches 9 is equipped behind the rotary devices 3, and there is provided ditch-forming wheels 17 functioning to make drainage ditches 16 between each pair of the rotary devices 3 and 3 adjacent to each other under the own weight of the respective devices 3 and 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dry field no-till direct sowing machine, and more particularly, to a sowing groove formed in a width required for a no-till field, and to be seeded in a sowing groove provided within the width. It relates to a direct plowing machine.

[0002]

2. Description of the Related Art Conventionally, for example, in rice planting,
First, the entire field is cultivated, and the entire surface of the field is filled with water. As, a dry field no-till direct sowing machine equipped with a rotary device and a seeding device is mounted on the rear of the tractor, and the rotary device performs fertilization on a bottom portion of a plowing groove formed by plowing a field by a required width, Next, a non-tillage direct sowing operation in which a seed rice is dropped and covered with soil directly in a sowing groove formed in a tillage groove by a sowing device, and then water is applied to a rice field to make it into a paddy field has been spreading.

[0003]

However, in the paddy field formed by the non-tillage direct sowing operation as described above, since the drainage ditch is not formed on the paddy surface, if the paddy field becomes excessive in water amount due to rainfall or the like, the seeding after seeding will not be performed. It is easy to induce moisture damage such as poor growth of cultivated rice and runoff of seeds, and as a result, the yield is reduced, and the low cost advantage of the no-till field cannot be effectively utilized.

SUMMARY OF THE INVENTION The present invention has been made in view of the above situation and has been made in order to improve the conventional inconvenience. The purpose of the present invention is to limit the area around the machine in which the rotary device and the seeding device are arranged. By effectively utilizing the space, the drainage ditch can be efficiently created at the same time while operating the respective devices,
An object of the present invention is to provide a dry field no-till direct sowing machine capable of quickly performing a no-till direct sowing operation while preventing moisture damage in a no-till field.

[0005]

Means for Solving the Problems In order to solve the problems, a first technical means adopted by the present invention is to form a narrow plowing groove with a rotating tilling claw in the left and right width direction of the body movement. A plurality of rotary devices to be arranged at predetermined intervals, and a seeding device for sowing while sowing a seeding groove with a groove cutting blade within the groove width of the cultivated groove, the rear of the rotary device. And a groove forming wheel for forming a drainage groove under the own weight of the rotary device and the seeding device is disposed between the adjacent rotary devices, and as a second technical means, The groove forming wheel for forming the groove is also used as a wheel for adjusting the depth of the seeding groove.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of the present invention will be described in detail based on an embodiment shown in the drawings. 1 and 2, reference numeral 1 denotes a dry field no-till direct sowing machine mounted on the rear of a tractor (not shown). , And the left and right toolbars 4 extending therefrom,
And a seeding device 5 that is mounted to be able to move up and down freely through the device 4.

The rotary devices 3, 3,... Are provided with six tilling claws 8, 8,. Each of the above-described tilling claws 8, which are arranged at predetermined intervals on a drive pipe 3a extending in the left-right width direction of the machine body and rotating,
8 make a narrow tillage groove 9, 9 ... in the no-tillage field scene A. Reference numeral 6a denotes a fertilizer nozzle extending downward from the fertilizer tanks 6, 6 toward the tillage grooves 9, 9,.

[0008] The above-mentioned sowing apparatus 5 comprises
A support rod 10 extending in the left-right width direction between the rear ends of the tillers 4 is provided above the plowing grooves 9, 9 formed by the tillage claws 8, 8. Are provided, and each of the sowing units 5a, 5a,.
Groove cutting blades 11 for forming the seeding groove 9a within the groove width of 9 ...
Are provided at the rear of the rotary device 3, and above the seed tanks 12, 12,... For accommodating seeds, and a seed pipe 13, which supplies the seeds to the sowing groove 9a,
13 are arranged. Further, each of the groove cutting blades 11,
11 are provided behind the seeding grooves 9a after sowing, and soil-recovering rollers 15, 15 for pressing the upper part of the covered seeding grooves 9a.

On the other hand, among the rotary devices 3, 3,...
Between the left and right outermost rotary devices 3 and the adjacent rotary devices 3, groove-forming wheels 17, 17 formed in a disk shape with a required thickness and width to form drainage grooves 16, 16.
Support arms 18, 1 protruding forward from the support rod 10.
8 and support arms 19, 19 projecting rearward from the drive pipe 3a, and are disposed so that the vertical fixed position can be adjusted freely. Under the weight of the rotary devices 3, 3,...
The groove 16 is formed.

Since the present invention is configured as described above,
When the non-tillage direct sowing work is performed by traveling of the tractor, first, the rotation of the tillage claws 8, 8,... Forms narrow plowing grooves 9, 9,. Fertilizer is supplied from the respective fertilizer nozzles 6a of the fertilizer tanks 6 toward the bottom.

Next, the tillage grooves 9 formed as described above,
.. Within the groove width of 9... Each groove cutting blade 1 of each seeding part 5 a, 5 a.
1 rolls to form seeding grooves 9 a, respectively, and at the same time, seeds in the seed tank 12 are released into the seeding grooves 19 via the seed pipe 13.

Thereafter, as shown by the black portion in FIG. 3, the cultivation grooves 9, 9,... Sowing groove 9
a is filled with mud and the buried buried portion is leveled by the pressure-reducing rollers 15, 15...

In the non-tillage direct sowing work by running the tractor, the groove forming wheels 17, 17 disposed between the adjacent rotary devices 3, 3 are operated while the non-tillage direct sowing work proceeds. Under the weight of each of the rotary devices 3, 3,...
6 will be formed.

Here, the groove-forming wheels 17, 17 form drainage grooves 16, 16 while embedding weeds, straws and the like planted in front of the fuselage in the advancing direction of the fuselage while burying them in the ground. 17 entanglement of the weeds, straws, etc.
Latching is prevented as much as possible.

Further, the drainage grooves 16, 16 are formed depending on the amount of sinking of the groove forming wheels 17, 17 under the own weight of the rotary devices 3, 3,... When the soil of A is soft, that is, in a field scene with a large amount of water, deep drainage grooves 16 are formed to increase the drainage function of the field, and when the soil is hard, a shallow drainage groove having an appropriate drainage function is formed. Since it can be formed, it is possible to easily form an appropriate drainage ditch corresponding to field conditions.

In addition, if the fixing position of the groove forming wheels 17, 17 is adjusted in the vertical direction, the support arm 1 for supporting the same is adjusted.
The toolbar 4 provided with 8, 18 is provided with the groove forming wheels 17, 1
7 so as to move up and down relative to the respective seeding portions 5a, 5a,.
Also moves up and down, and as a result, the plowing depth adjustment of each groove cutting blade 11 that forms the seeding groove 9a in the plowing grooves 9, 9,.
This can be easily performed by adjusting the fixed position of the groove forming wheels 17 and 17.

Therefore, the groove forming wheels 17, 17 are also used for adjusting the cultivation depth without separately providing a dedicated cultivation depth adjustment wheel, so that the weight of the machine body can be reduced and a simple direct sowing machine can be configured.

[0018]

In summary, according to the present invention, a plurality of rotary devices for forming narrow tillage grooves by rotating tillage claws are arranged at predetermined intervals in the left-right width direction of the body movement. A seeding device for sowing while sowing a sowing groove with a groove cutting blade in the groove width of the cultivated groove that has been formed is provided at the rear of the rotary device, and between the adjacent rotary devices, the rotary device and Since the groove forming wheels for forming the drainage grooves by receiving the own weight of the seeding device are arranged, the limited space around the body where the rotary device and the seeding device are arranged is effectively utilized, and the respective devices are used. The drainage ditch can be easily formed using its own weight, and weeds, straws, etc. to be planted in front of the aircraft in the traveling direction are buried in the ground with groove forming wheels, so that the weeds, straws, etc. Latching can be prevented as much as possible, and When the soil of the ground is soft, a deep drain is formed by the groove forming wheel that sinks under the own weight of each device, and when the soil is hard, the depth of the drain can be reduced by shallow submersion, An appropriate drainage ditch suitable for field conditions can be easily formed with a groove formation wheel having a simple structure. In addition, since the above-mentioned groove forming wheel for forming the drainage groove is also used as a plowing depth adjusting wheel for the sowing groove, it is possible to easily adjust the plowing depth of the sowing groove by adjusting the arrangement position of the groove forming wheel up and down. In addition, a simple direct sowing machine configuration can be achieved while reducing the weight of the body without separately providing a dedicated tillage depth adjusting wheel. This is an extremely useful novel effect.

[Brief description of the drawings]

FIG. 1 is an overall side view of a dry field no-tillage direct sowing machine.

FIG. 2 is an overall plan view of a dry field no-till direct sowing machine.

FIG. 3 is a sectional view of a main part of a no-till field scene.

[Explanation of symbols]

 Reference Signs List 3 Rotary device 5 Seeding device 8 Tilling claw 9 Tilling groove 9a Seeding groove 11 Groove cutting blade 16 Drainage groove 17 Groove forming wheel

Claims (2)

[Claims] 1. A plurality of rotary devices for forming a narrow plowing groove with a rotating tillage claw at predetermined intervals in a lateral width direction of a machine body advance, and the above-described plowing is performed. A seeding device for seeding while forming a seeding groove with a groove cutting blade within the groove width of the groove is provided behind the rotary device, and between the adjacent rotary devices, receiving the weight of the rotary device and the seeding device. A non-tillage dry field direct sowing machine, comprising a groove forming wheel for forming a drain gutter. 2. The direct sowing machine according to claim 1, wherein the groove forming wheel for forming the drainage ditch is also used as a plowing depth adjustment wheel for the seeding ditch.